... gears (spur gear, bevel gear, spiral gear, internal gear, sprocket, chain wheel) transmission, reducer ,shaft and sleeve etc. They are of ... optimal design and shot treatment to decrease noise and increase load capacity3) Normal modal is between 1.5~104) Processing: precision ... , tempering6) Precision shot peen gear faces and roots to increase load capacity7) Standard: ISO, GB, JIS, DIN, AGMA and non- ...